<script setup>
import {ref} from 'vue'
import Compressor from 'compressorjs';
import { Plus,Upload} from '@element-plus/icons-vue'

import {useUserStore} from '@/stores'
import {userUpdateAvatarService} from '@/api/user.js'


const userStore = useUserStore()
const imgUrl = ref(userStore.user.user_pic) 
const uploadRef = ref()

const onSelectFile = (uploadFile) => {
  new Compressor(uploadFile.raw, {
    quality: 0.6, // 压缩质量
    maxWidth: 800, // 图片最大宽度
    maxHeight: 800, // 图片最大高度
    success(result) {
      const reader = new FileReader()
      reader.readAsDataURL(result)
      reader.onload = () => {
        imgUrl.value = reader.result
      }
    },
    error(err) {
      console.log(err.message);
    },
  });
}

const onUpdateAvatar = async () => {
  await userUpdateAvatarService(imgUrl.value)

  await userStore.getUser(); // 重新获取用户信息
  ElMessage({ type: 'success', message: '更换头像成功' });
}

</script>
<template>
  <page-container title="更换头像">
    <el-upload
    ref="uploadRef"
    :auto-upload="false"
    class="avatar-uploader"
    :show-file-list="false"
    :on-change="onSelectFile"
  >
    <img v-if="imgUrl" :src="imgUrl" class="avatar" />
    <el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
  </el-upload>
  <br>
  
  <el-button @click="uploadRef.$el.querySelector('input').click()"
   type="primary" :icon="Plus" size="large"> 选择图片</el-button>
  <el-button @click="onUpdateAvatar" type="success" :icon="Upload" size="large">上传头像</el-button>
  </page-container>
</template>

<style lang="scss" scoped>
.avatar-uploader {
  :deep() {
    .avatar {
      width: 278px;
      height: 278px;
      display: block;
    }
    .el-upload {
      border: 1px dashed var(--el-border-color);
      border-radius: 6px;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: var(--el-transition-duration-fast);
    }
    .el-upload:hover {
      border-color: var(--el-color-primary);
    }
    .el-icon.avatar-uploader-icon {
      font-size: 28px;
      color: #8c939d;
      width: 278px;
      height: 278px;
      text-align: center;
    }
  }
}
</style>